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lint: ensure errors are at least logged (errcheck)

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Signed-off-by: Moritz Poldrack <moritz@poldrack.dev>
Acked-by: Robin Jarry <robin@jarry.cc>
This commit is contained in:
Moritz Poldrack 2022-07-29 22:31:54 +02:00 • committed by Robin Jarry
parent a8d631177f
commit 5ca6022d00
33 changed files with 301 additions and 103 deletions

47
lib/socket.go
View file

@ -64,40 +64,56 @@ func (as *AercServer) handleClient(conn net.Conn) {
clientId := atomic.AddInt64(&lastId, 1)
logging.Debugf("unix:%d accepted connection", clientId)
scanner := bufio.NewScanner(conn)
conn.SetDeadline(time.Now().Add(1 * time.Minute))
err := conn.SetDeadline(time.Now().Add(1 * time.Minute))
if err != nil {
logging.Errorf("failed to set deadline: %v", err)
}
for scanner.Scan() {
conn.SetDeadline(time.Now().Add(1 * time.Minute))
err = conn.SetDeadline(time.Now().Add(1 * time.Minute))
if err != nil {
logging.Errorf("failed to update deadline: %v", err)
}
msg := scanner.Text()
logging.Debugf("unix:%d got message %s", clientId, msg)
if !strings.ContainsRune(msg, ':') {
conn.Write([]byte("error: invalid command\n"))
_, innererr := conn.Write([]byte("error: invalid command\n"))
if innererr != nil {
logging.Errorf("failed to write error message: %v", innererr)
}
continue
}
prefix := msg[:strings.IndexRune(msg, ':')]
var err error
switch prefix {
case "mailto":
mailto, err := url.Parse(msg)
if err != nil {
conn.Write([]byte(fmt.Sprintf("error: %v\n", err)))
_, innererr := conn.Write([]byte(fmt.Sprintf("error: %v\n", err)))
if innererr != nil {
logging.Errorf("failed to write error message: %v", innererr)
}
break
}
if as.OnMailto != nil {
err = as.OnMailto(mailto)
}
if err != nil {
conn.Write([]byte(fmt.Sprintf("result: %v\n", err)))
} else {
conn.Write([]byte("result: success\n"))
if err != nil {
logging.Errorf("mailto failed: %v", err)
}
}
case "mbox":
var err error
if as.OnMbox != nil {
err = as.OnMbox(msg)
}
}
if err != nil {
_, err = conn.Write([]byte(fmt.Sprintf("result: %v\n", err)))
if err != nil {
conn.Write([]byte(fmt.Sprintf("result: %v\n", err)))
} else {
conn.Write([]byte("result: success\n"))
logging.Errorf("failed to send error: %v")
}
} else {
_, err = conn.Write([]byte("result: success\n"))
if err != nil {
logging.Errorf("failed to send successmessage: %v")
}
}
}
@ -110,7 +126,10 @@ func ConnectAndExec(msg string) error {
if err != nil {
return err
}
conn.Write([]byte(msg + "\n"))
_, err = conn.Write([]byte(msg + "\n"))
if err != nil {
return fmt.Errorf("failed to send message: %w", err)
}
scanner := bufio.NewScanner(conn)
if !scanner.Scan() {
return errors.New("No response from server")